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B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend For Heat Exchangers ASTM B154-16

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B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend For Heat Exchangers ASTM B154-16

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Brand Name :	Low Fin Tube
Model Number :	B359 C44300
Certification :	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008.
Price :	Negotiable
Payment Terms :	L/C, T/T
Supply Ability :	800 Tons/ month
Delivery Time :	20-80

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B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend For Heat Exchangers ASTM B154-16

B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend for Heat Exchangers

B359 describes seamless copper and copper alloy tubing on which the external or internal surface, or both, has been modified by a cold-forming process to produce an integral enhanced surface for improved heat transfer. The tubes are used in surface condensers, evapora-
tors, and heat exchangers and are normally made from the following copper or copper alloys:

C10100
C10200
C10300
C10800
C12000
CI 2200
C14200
C19200
C23000
C44300
C44400
C44550
C60800
C68700
C70400
C70600
C71000
C71500
C72200

B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend Chemical Composition

Element	Content (%) (ASTM B139 Requirements)
Copper (Cu)	Balance
Tin (Sn)	9.0 – 11.0
Phosphorus (P)	0.03 – 0.35
Lead (Pb)	≤ 0.05 (max)
Iron (Fe)	≤ 0.10 (max)
Zinc (Zn)	≤ 0.30 (max)
Other Impurities	≤ 0.50 (total)

B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend Mechanical Properties

Property	Condition	Value (Typical)	Test Standard
Tensile Strength	Annealed	325 – 380 MPa (47 – 55 ksi)	ASTM E8/E8M
	Cold Worked	485 – 620 MPa (70 – 90 ksi)
Yield Strength (0.2%)	Annealed	125 – 170 MPa (18 – 25 ksi)	ASTM E8/E8M
	Cold Worked	415 – 550 MPa (60 – 80 ksi)
Elongation (%)	Annealed	50 – 65%	ASTM E8/E8M
	Cold Worked	5 – 15%
Hardness	Annealed	60 – 85 HV	ASTM E384
	Cold Worked	150 – 190 HV
Electrical Conductivity	-	13 – 15% IACS	ASTM B193

B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend Drawing

B359 C44300 C44500 Copper Alloy Low Fin Tube U Bend TEST

base tube: eddy current, hydraulic test, Mercurous Nitrate Test-B154, flaring, flattening etc..
Final product: hydraulic test 3Mpa/5s

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